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Conference Paper
Advanced Solid State Lasers
Boston, Massachusetts United States
January 31, 1999
Poster Session III (TuB)

Optimum Crystal Parameters for Room-Temperature Cr4+:Forsterite Lasers: Threshold and Finite-Power Analysis

Alphan Sennaroglu and A. Ozgun Konca


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A novel model was used to analyze the experimental threshold and efficiency data of continuous-wave Cr4+:forsterite lasers operated around room temperature by taking into account the temperature dependence of the fluorescence lifetime, pump absorption saturation, and excited-state absorption at the lasing wavelength. The best-fit values of the stimulated emission cross-section and the excited-state absorption cross-section were determined to be 1.23x10^-19 cm2 and 0.26x10^-19 cm2, respectively. The numerical calculations further predict the optimum crystal length and absorption coefficient to be 2 cm and 0.34 cm-1 for room-temperature Cr4+:forsterite lasers.

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3600) Lasers and laser optics : Lasers, tunable
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(140.6810) Lasers and laser optics : Thermal effects

A. Sennaroglu and A. Ozgun Konca, "Optimum Crystal Parameters for Room-Temperature Cr4+:Forsterite Lasers: Threshold and Finite-Power Analysis," in Advanced Solid State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics (Optical Society of America, 1999), paper TuB11.

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